Share Repurchases (Narrative) (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	May 01, 2022	May 02, 2021	May 01, 2022	May 02, 2021
Statement [Line Items]
Treasury stock purchased, Shares			2.7
Shares repurchased, value	$ 51	$ 0	$ 116	$ 0
Capital Stock In Treasury [Member]
Statement [Line Items]
Treasury stock purchased, Shares	2.0	0.0	3.0	0.0
Shares repurchased, value	$ 51	$ 0	$ 116	$ 0
June 2021 Program
Statement [Line Items]
Authorized amount for shares repurchase	250		250
Shares repurchased, value			41
Stock Repurchase Program, Remaining Authorized Repurchase Amount	173		173
September 2021 Program
Statement [Line Items]
Authorized amount for shares repurchase	500		500
Shares repurchased, value			75
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 425		$ 425